<script lang="tsx">
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import { ElTable, ElTableColumn, ElPagination } from 'element-plus'
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import { defineComponent, PropType, ref, computed, unref, watch, onMounted } from 'vue'
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import { propTypes } from '@/utils/propTypes'
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import { setIndex } from './helper'
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import { getSlot } from '@/utils/tsxHelper'
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import type { TableProps } from './types'
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import { set } from 'lodash-es'
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import { Pagination, TableColumn, TableSetPropsType, TableSlotDefault } from '@/types/table'
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export default defineComponent({
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// eslint-disable-next-line vue/no-reserved-component-names
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name: 'Table',
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props: {
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pageSize: propTypes.number.def(10),
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currentPage: propTypes.number.def(1),
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// 是否多选
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selection: propTypes.bool.def(false),
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// 是否所有的超出隐藏,优先级低于schema中的showOverflowTooltip,
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showOverflowTooltip: propTypes.bool.def(true),
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// 表头
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columns: {
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type: Array as PropType<TableColumn[]>,
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default: () => []
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},
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// 展开行
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expand: propTypes.bool.def(false),
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// 是否展示分页
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pagination: {
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type: Object as PropType<Pagination>,
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default: (): Pagination | undefined => undefined
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},
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// 仅对 type=selection 的列有效,类型为 Boolean,为 true 则会在数据更新之后保留之前选中的数据(需指定 row-key)
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reserveSelection: propTypes.bool.def(false),
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// 加载状态
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loading: propTypes.bool.def(false),
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// 是否叠加索引
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reserveIndex: propTypes.bool.def(false),
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// 对齐方式
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align: propTypes.string
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.validate((v: string) => ['left', 'center', 'right'].includes(v))
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.def('center'),
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// 表头对齐方式
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headerAlign: propTypes.string
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.validate((v: string) => ['left', 'center', 'right'].includes(v))
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.def('center'),
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data: {
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type: Array as PropType<Recordable[]>,
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default: () => []
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}
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},
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emits: ['update:pageSize', 'update:currentPage', 'register'],
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setup(props, { attrs, slots, emit, expose }) {
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const elTableRef = ref<ComponentRef<typeof ElTable>>()
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// 注册
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onMounted(() => {
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const tableRef = unref(elTableRef)
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emit('register', tableRef?.$parent, elTableRef)
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})
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const pageSizeRef = ref(props.pageSize)
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const currentPageRef = ref(props.currentPage)
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// useTable传入的props
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const outsideProps = ref<TableProps>({})
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const mergeProps = ref<TableProps>({})
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const getProps = computed(() => {
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const propsObj = { ...props }
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Object.assign(propsObj, unref(mergeProps))
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return propsObj
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})
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const setProps = (props: TableProps = {}) => {
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mergeProps.value = Object.assign(unref(mergeProps), props)
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outsideProps.value = props
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}
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const setColumn = (columnProps: TableSetPropsType[], columnsChildren?: TableColumn[]) => {
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const { columns } = unref(getProps)
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for (const v of columnsChildren || columns) {
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for (const item of columnProps) {
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if (v.field === item.field) {
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set(v, item.path, item.value)
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} else if (v.children?.length) {
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setColumn(columnProps, v.children)
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}
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}
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}
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}
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const selections = ref<Recordable[]>([])
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const selectionChange = (selection: Recordable[]) => {
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selections.value = selection
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}
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expose({
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setProps,
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setColumn,
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selections
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})
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const pagination = computed(() => {
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// update by 芋艿:保持和 Pagination 组件的逻辑一致
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return Object.assign(
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{
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small: false,
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background: true,
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pagerCount: document.body.clientWidth < 992 ? 5 : 7,
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layout: 'total, sizes, prev, pager, next, jumper',
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pageSizes: [10, 20, 30, 50, 100],
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disabled: false,
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hideOnSinglePage: false,
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total: 10
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},
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unref(getProps).pagination
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)
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})
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watch(
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() => unref(getProps).pageSize,
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(val: number) => {
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pageSizeRef.value = val
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}
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)
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watch(
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() => unref(getProps).currentPage,
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(val: number) => {
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currentPageRef.value = val
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}
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)
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watch(
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() => pageSizeRef.value,
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(val: number) => {
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emit('update:pageSize', val)
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}
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)
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watch(
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() => currentPageRef.value,
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(val: number) => {
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emit('update:currentPage', val)
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}
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)
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const getBindValue = computed(() => {
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const bindValue: Recordable = { ...attrs, ...props }
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delete bindValue.columns
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delete bindValue.data
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return bindValue
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})
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const renderTableSelection = () => {
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const { selection, reserveSelection, align, headerAlign } = unref(getProps)
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// 渲染多选
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return selection ? (
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<ElTableColumn
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type="selection"
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reserveSelection={reserveSelection}
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align={align}
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headerAlign={headerAlign}
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width="50"
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></ElTableColumn>
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) : undefined
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}
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const renderTableExpand = () => {
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const { align, headerAlign, expand } = unref(getProps)
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// 渲染展开行
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return expand ? (
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<ElTableColumn type="expand" align={align} headerAlign={headerAlign}>
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{{
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// @ts-ignore
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default: (data: TableSlotDefault) => getSlot(slots, 'expand', data)
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}}
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</ElTableColumn>
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) : undefined
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}
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const rnderTreeTableColumn = (columnsChildren: TableColumn[]) => {
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const { align, headerAlign, showOverflowTooltip } = unref(getProps)
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return columnsChildren.map((v) => {
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const props = { ...v }
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if (props.children) delete props.children
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return (
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<ElTableColumn
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showOverflowTooltip={showOverflowTooltip}
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align={align}
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headerAlign={headerAlign}
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{...props}
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prop={v.field}
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>
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{{
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default: (data: TableSlotDefault) =>
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v.children && v.children.length
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? rnderTableColumn(v.children)
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: // @ts-ignore
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getSlot(slots, v.field, data) ||
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v?.formatter?.(data.row, data.column, data.row[v.field], data.$index) ||
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data.row[v.field],
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// @ts-ignore
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header: getSlot(slots, `${v.field}-header`)
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}}
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</ElTableColumn>
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)
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})
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}
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const rnderTableColumn = (columnsChildren?: TableColumn[]) => {
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const {
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columns,
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reserveIndex,
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pageSize,
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currentPage,
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align,
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headerAlign,
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showOverflowTooltip
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} = unref(getProps)
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return [...[renderTableExpand()], ...[renderTableSelection()]].concat(
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(columnsChildren || columns).map((v) => {
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// 自定生成序号
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if (v.type === 'index') {
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return (
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<ElTableColumn
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type="index"
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index={
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v.index
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? v.index
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: (index) => setIndex(reserveIndex, index, pageSize, currentPage)
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}
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align={v.align || align}
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headerAlign={v.headerAlign || headerAlign}
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label={v.label}
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width="65px"
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></ElTableColumn>
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)
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} else {
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const props = { ...v }
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if (props.children) delete props.children
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return (
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<ElTableColumn
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showOverflowTooltip={showOverflowTooltip}
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align={align}
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headerAlign={headerAlign}
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{...props}
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prop={v.field}
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>
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{{
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default: (data: TableSlotDefault) =>
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v.children && v.children.length
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? rnderTreeTableColumn(v.children)
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: // @ts-ignore
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getSlot(slots, v.field, data) ||
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v?.formatter?.(data.row, data.column, data.row[v.field], data.$index) ||
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data.row[v.field],
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// @ts-ignore
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header: () => getSlot(slots, `${v.field}-header`) || v.label
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}}
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</ElTableColumn>
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)
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}
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})
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)
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}
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return () => (
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<div v-loading={unref(getProps).loading}>
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<ElTable
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// @ts-ignore
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ref={elTableRef}
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data={unref(getProps).data}
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onSelection-change={selectionChange}
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{...unref(getBindValue)}
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>
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{{
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default: () => rnderTableColumn(),
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// @ts-ignore
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append: () => getSlot(slots, 'append')
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}}
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</ElTable>
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{unref(getProps).pagination ? (
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// update by 芋艿:保持和 Pagination 组件一致
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<ElPagination
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v-model:pageSize={pageSizeRef.value}
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v-model:currentPage={currentPageRef.value}
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class="float-right mb-15px mt-15px"
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{...unref(pagination)}
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></ElPagination>
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) : undefined}
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</div>
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)
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}
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})
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</script>
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<style lang="scss" scoped>
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:deep(.el-button.is-text) {
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padding: 8px 4px;
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margin-left: 0;
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}
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:deep(.el-button.is-link) {
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padding: 8px 4px;
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margin-left: 0;
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}
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</style>
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